- 21. CFD-modeling of critical deviations of combustion processes in pulverized coal boilers. Part 1. Construction of the TPP-210A boiler calculation model
- (Content №2 2024)
- ... orcid.org/0000-0001-6008-6465, Thermal Energy Technology Institute of the National Academy of Sciences of Ukraine, Kyiv, Ukraine; National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic ...
- Created on 01 May 2024
- 22. Influence of hot plastic deformation on properties of the carbon steel
- (Content №2 2024)
- ... properties. Methodology. Steel with 0.6 % carbon was used for the study. The steel structure corresponded to the state after compression at 1,240 °C. Mechanical properties were determined by the tensile ...
- Created on 01 May 2024
- 23. Container technology for transporting rock masses in quarries
- (Content №2 2024)
- ... Universytetu. 2024, (2): 038 - 044 https://doi.org/10.33271/nvngu/2024-2/038 Abstract: Purpose. To justify and develop the theoretical bases of the formation and operation of the container technology ...
- Created on 01 May 2024
- 24. Assessment of the state of the rock mass around the crosscuts under additional deformation disturbances
- (Content №2 2024)
- ... orcid.org/0000-0002-3258-9601, Donetsk National Technical University, Lutsk, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. D.A.Chepiga, orcid.org/0000-0002-3331-9128, Donetsk National Technical University, ...
- Created on 01 May 2024
- 25. Influence of relaxation on filtering microflows under harmonic action on the layer
- (Content №2 2024)
- ... on it and assessment of the influence of relaxation effects on the attenuation of the amplitude of initial disturbances within the framework of mathematical modeling of non-equilibrium plane-radial filtration. ...
- Created on 01 May 2024
- 26. Formation of prospecting criteria for copper-porphyry deposits based on the construction of reference models
- (Content №2 2024)
- ... of Kazakhstan K.Togizov*, orcid.org/0000-0002-4830-405X, Institute of Geological Sciences of K.I.Satpayev, Almaty, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. * Corresponding ...
- Created on 01 May 2024
- 27. Three-dimensional density model of the mantle beneath the Ukrainian shield
- (Content №2 2024)
- ... Universytetu. 2024, (2): 012 - 018 https://doi.org/10.33271/nvngu/2024-2/012 Abstract: Purpose. Mantle density models are key tools for understanding the fundamental geological and physical processes ...
- Created on 01 May 2024
- 28. Assessment of the influence of the surface layer of coals on gas-dynamic phenomena in the coal seam
- (Content №2 2024)
- ... Karaganda Buketov University, Karaganda, Republic of Kazakhstan V.S.Portnov, orcid.org/0000-0002-4940-3156, Non-profit joint-stock company “Abylkas Saginov Karaganda Technical University”, Karaganda, ...
- Created on 01 May 2024
- 29. Ecological and economic assessment of the effectiveness of implementing bioenergy technologies in the conditions of post-war recovery of Ukraine
- (Content №1 2024)
- ... 2024, (1): 203 - 208 https://doi.org/10.33271/nvngu/2024-1/203 Abstract: Purpose. Ecological and economic assessment of the effectiveness of implementing bioenergy technologies for processing organic ...
- Created on 29 February 2024
- 30. Investment policy of construction enterprises under the conditions of marital state
- (Content №1 2024)
- ... of the investment process in construction in wartime conditions; identification of factors affecting investment activity; analysis of the problems of investment activity in these conditions; development ...
- Created on 29 February 2024
- 31. Modeling the return on investment in human capital in the IT industry of Ukraine
- (Content №1 2024)
- ... The empirical basis of the study was a survey on the salary of IT specialists in Ukraine conducted in December 2022. The methodological basis of the study was general scientific and special research methods, ...
- Created on 29 February 2024
- 32. Regional features of Ukrainian higher education in wartime conditions
- (Content №1 2024)
- ... regulating the educational process in Ukraine in wartime conditions were analyzed. Observations, interviews, online surveys, and questionnaires followed by mathematical and statistical analysis constituted ...
- Created on 29 February 2024
- 33. Gross regional product in Ukraine: two-dimensional analysis of regularities and territorial features
- (Content №1 2024)
- ... on individual indicators of the development of the regions of Ukraine in general and their aggregates, distinguished by territorial location and profitability in order to establish the main regularities ...
- Created on 29 February 2024
- 34. Organizational and legal principles of information security of enterprises in the conditions of martial law in Ukraine
- (Content №1 2024)
- ... field; content analysis – to determine organizational principles of IS of enterprises in conditions of ML; structural and legal – to propose indicator conditions for legal norms; special-legal – to propose ...
- Created on 29 February 2024
- 35. Modeling arithmetic systems of elliptic curve cryptography using Microsoft Excel VBA
- (Content №1 2024)
- ... the capability of the Visual Basic Applications of Microsoft Excel in user friendly way. Methodology. The research is performed using research and development approach, which is divided into five steps ...
- Created on 29 February 2024
- 36. Implementation of corporate social responsibility in the context of integration with the enterprise management information system
- (Content №1 2024)
- ... University, Odesa, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. L.Halan, orcid.org/0000-0002-4118-9255, State University of Intelligent Technologies and Telecommunications, Odesa, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. ...
- Created on 29 February 2024
- 37. Improvement of the method of time rationing for assembling car groups on one track
- (Content №1 2024)
- ... based on calculation experiments. Methodology. During the research, the methods of theory of railway operation, dynamic programming and mathematical statistics were used. Findings. Research on the ...
- Created on 29 February 2024
- 38. Digital economy: opportunities for transformation of entepreneurial structures
- (Content №1 2024)
- ... level, opportunities monitoring, replicable level, results-driven, achieved controlling, and optimized level. Originality. A stage of digital transformation of entrepreneurial structures has been proposed: ...
- Created on 29 February 2024
- 39. Two-stage problems of optimal location and distribution of the humanitarian logistics system’s structural subdivisions
- (Content №1 2024)
- ... region affected by an emergency by developing a mathematical and algorithmic toolkit that will allow for the early distribution of transport and material resources, maximizing coverage of the affected ...
- Created on 29 February 2024
- 40. Modeling pH changes and electrical conductivity in surface water as a result of mining activities
- (Content №1 2024)
- ... Universytetu. 2024, (1): 122 - 129 https://doi.org/10.33271/nvngu/2024-1/122 Abstract: Purpose. To develop comprehensive models for predicting the pH and electrical conductivity of surface water in Maiganga ...
- Created on 29 February 2024